Proper openings - enclosures (applicable to Zones A, A1-A30, AE, AO, AH, AR and AR dual)

{
  "id": "MLC-T-INS-000194",
  "term": "Proper openings - enclosures (applicable to Zones A, A1-A30, AE, AO, AH, AR and AR dual)",
  "field": "Insurance and risk management",
  "term_source": "Proper Openings - Enclosures (Applicable to Zones A, A1-A30, AE, AO, AH, AR and AR Dual)",
  "definition": "All enclosures below the lowest elevated floor must be designed to automatically equalize hydrostatic flood forces on exterior walls by allowing for the entry and exit of floodwaters. A minimum of 2 openings, with positioning on at least 2 walls, having a total net area of not less than 1 square inch for every square foot of enclosed area subject to flooding must be provided. The bottom of all openings must be no higher than 1 foot above the higher of the exterior or interior (adjacent) or floor immediately below the openings.",
  "subject": "National Flood Insurance Program",
  "references": [
    "FloodSmart Flood Insurance Glossary",
    "FEMA Glossary"
  ],
  "url": "https://mlchart.com/terminology/insurance/proper-openings-enclosures-applicable-to-zones-a-a1-a30-ae-ao-ah-ar-and-ar-dual/"
}